If the only function of cranial nerve I is olfaction, then the nerve is to be classified as a (blank) nerve 02:18 The Brain and Cranial Nerves If the only function of cranial nerve I is olfaction, then the nerve is to be classified as a (blank) nerve A) mixed B) sensory C) motor D) none of these Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+